/Engine/Source/Runtime/Engine/Classes/Kismet/GameplayStatics.h
Returns the player controller with the specified physical controller ID. This only works for local players.
static [APlayerController](API\Runtime\Engine\GameFramework\APlayerController) * GetPlayerControllerFromID ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, int32 ControllerID )